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From "Julian Reschke (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CONNECTORS-1564) Support preemptive authentication to Solr connector
Date Fri, 04 Jan 2019 06:17:00 GMT

    [ https://issues.apache.org/jira/browse/CONNECTORS-1564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16733851#comment-16733851
] 

Julian Reschke commented on CONNECTORS-1564:
--------------------------------------------

> The proper approach to this, and this is how it has been done, like in Maven Wagon, is
to use the {{Expect}} header. This works perfectly fine with a lot of clients and many servers,
e.g. curl, HttpClient and Jetty, Tomcat.

I assume you mean "Expect: 100-continue"-

That still requires one round-trip, and AFAIR, it's not trivial to support properly in servers
due to API restrictions (in the past, servlet API, but that might have improved).

> Support preemptive authentication to Solr connector
> ---------------------------------------------------
>
>                 Key: CONNECTORS-1564
>                 URL: https://issues.apache.org/jira/browse/CONNECTORS-1564
>             Project: ManifoldCF
>          Issue Type: Improvement
>          Components: Lucene/SOLR connector
>            Reporter: Erlend GarĂ¥sen
>            Assignee: Karl Wright
>            Priority: Major
>         Attachments: CONNECTORS-1564.patch
>
>
> We should post preemptively in case the Solr server requires basic authentication. This
will make the communication between ManifoldCF and Solr much more effective instead of the
following:
>  * Send a HTTP POST request to Solr
>  * Solr sends a 401 response
>  * Send the same request, but with a "{{Authorization: Basic}}" header
> With preemptive authentication, we can send the header in the first request.



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